Solar flares — Apr 20, 2001
The strongest solar flare in the day
Flare of M4.1 level (strong) — in 21:04
Solar activity index
Value for Apr 20, 2001 24:00 (end on the day). The maximum value is 10.0
Solar flares in 2 days
Chart of solar activity from Apr 19, 2001 to Apr 20, 2001
Time zone — UTC+01 (London) - summer time
This chart in PNG format — high resolution
API data: JSON or TXT
List of solar flares for Apr 20, 2001
Total number of flares of class C and higher — 10 flares
C type — 8 | M type — 2 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
|
C8.0
|
22:28 | 22:34 | 22:40 | — |
|
M4.1
|
20:51 | 21:04 | 21:16 | 9433 |
|
C4.0
|
20:05 | 20:16 | 20:22 | 9433 |
|
C2.2
|
19:20 | 19:32 | 19:39 | — |
|
C1.8
|
17:54 | 17:58 | 18:01 | — |
|
C4.2
|
15:07 | 15:17 | 15:28 | — |
|
C7.0
|
13:53 | 14:04 | 14:17 | — |
|
C1.5
|
09:46 | 09:50 | 09:53 | 9432 |
|
C1.9
|
08:05 | 08:09 | 08:12 | 9433 |
|
M1.0
|
06:01 | 06:23 | 06:43 | 9433 |